Contents
- Weather in January
- Weather in February
- Weather in March
- Weather in April
- Weather in May
- Weather in June
- Weather in July
- Weather in August
- Weather in September
- Weather in October
- Weather in November
- Weather in December
- Frequently asked questions
- Average temperature
- Average pressure
- Average wind speed
- Average humidity
- Average rainfall
- Average rainfall days
- Average sea temperature
- Average daylight
- Average sunshine
- Average sunshine days
- Average UV index
- Average cloud cover
- Average visibility
Christ the Redeemer statue atop Mount Corcovado, overlooking the seaside city of Rio de Janeiro, Brazil
Weather in January
January, the same as December, is another warm summer month in Rio de Janeiro, Brazil, with an average temperature fluctuating between 23.7°C (74.7°F) and 29.2°C (84.6°F). In Rio de Janeiro, the average high-temperature in January is relatively the same as in December - a still moderately hot 29.2°C (84.6°F). Weather in January »
Weather in February
February, the last month of the summer in Rio de Janeiro, is another warm month, with an average temperature varying between 29.7°C (85.5°F) and 23.5°C (74.3°F). The warmest month is February, with an average high-temperature of 29.7°C (85.5°F) and an average low-temperature of 23.5°C (74.3°F). In February, the average heat index is computed to be a sweltering 36.2°C (97.2°F). Weather in February »
Weather in March
March, the first month of the autumn in Rio de Janeiro, is also a moderately hot month, with an average temperature fluctuating between 22.9°C (73.2°F) and 28.3°C (82.9°F). In Rio de Janeiro, Brazil, the average high-temperature in March is practically the same as in February - a still warm 28.3°C (82.9°F). Weather in March »
Weather in April
April, like March, in Rio de Janeiro, Brazil, is another warm autumn month, with an average temperature varying between 26.8°C (80.2°F) and 21.5°C (70.7°F). In Rio de Janeiro, Brazil, the average high-temperature in April is essentially the same as in March - a still moderately hot 26.8°C (80.2°F). Weather in April »
Weather in May
May, the last month of the autumn in Rio de Janeiro, is also a moderately hot month, with temperature in the range of an average high of 25.2°C (77.4°F) and an average low of 19.7°C (67.5°F). In May, the average high-temperature is relatively the same as in April - a still moderately hot 25.2°C (77.4°F). Weather in May »
Weather in June
June, the first month of the winter in Rio de Janeiro, is still a warm month, with an average temperature varying between 24.2°C (75.6°F) and 18.9°C (66°F). In Rio de Janeiro, the average high-temperature in June is almost the same as in May - a still warm 24.2°C (75.6°F). Weather in June »
Weather in July
July, the same as June, is a moderately hot winter month in Rio de Janeiro, Brazil, with temperature in the range of an average high of 24°C (75.2°F) and an average low of 18.7°C (65.7°F). The coldest month is July, with an average high-temperature of 24°C (75.2°F) and an average low-temperature of 18.7°C (65.7°F). Weather in July »
Weather in August
The last month of the winter, August, is another warm month in Rio de Janeiro, Brazil, with an average temperature ranging between max 24.3°C (75.7°F) and min 18.5°C (65.3°F). In August, the average high-temperature is essentially the same as in July - a still moderately hot 24.3°C (75.7°F). Weather in August »
Weather in September
The first month of the spring, September, is also a moderately hot month in Rio de Janeiro, Brazil, with temperature in the range of an average high of 25°C (77°F) and an average low of 19.4°C (66.9°F). In Rio de Janeiro, the average high-temperature in September is practically the same as in August - a still warm 25°C (77°F). Weather in September »
Weather in October
October, the same as September, is a moderately hot spring month in Rio de Janeiro, Brazil, with an average temperature varying between 20.6°C (69.1°F) and 26.3°C (79.3°F). In Rio de Janeiro, Brazil, the average high-temperature in October is practically the same as in September - a still warm 26.3°C (79.3°F). Weather in October »
Weather in November
The last month of the spring, November, is another warm month in Rio de Janeiro, Brazil, with temperature in the range of an average high of 26.4°C (79.5°F) and an average low of 21.5°C (70.7°F). In November, the average high-temperature is essentially the same as in October - a still moderately hot 26.4°C (79.5°F). Weather in November »
Weather in December
The first month of the summer, December, is also a moderately hot month in Rio de Janeiro, Brazil, with an average temperature fluctuating between 23°C (73.4°F) and 28.2°C (82.8°F). In December, the average high-temperature is relatively the same as in November - a still warm 28.2°C (82.8°F). Weather in December »
[Resources]FAQ
How much does it rain in Rio de Janeiro?
In Rio de Janeiro, during the entire year, the rain falls for 192.5 days and collects up to 812mm (31.97") of precipitation.
What is the month with the highest UV index in Rio de Janeiro?
January is the month with the highest UV index in Rio de Janeiro, with an average maximum UV index of 7.
What is the warmest month in Rio de Janeiro?
February is the warmest month in Rio de Janeiro, Brazil, with an average high-temperature of 29.7°C (85.5°F) and an average low-temperature of 23.5°C (74.3°F).
What month has the most sunshine in Rio de Janeiro?
February has the most sunshine of the year in Rio de Janeiro, with an average of 8.8h of sunshine.
What is the month with the warmest sea water in Rio de Janeiro?
With an average sea temperature of 25.8°C (78.4°F), March is the month with the warmest seawater in Rio de Janeiro, Brazil.
What is the driest month in Rio de Janeiro?
The month with the least rainfall in Rio de Janeiro, Brazil, is June, when the rain falls for 9.8 days and typically collects 29mm (1.14") of precipitation.
What is the month with the shortest days in Rio de Janeiro?
The month with the shortest days is June, with an average of 10h and 45min of daylight.
What is the coldest month in Rio de Janeiro?
The coldest month is July, with an average high-temperature of 24°C (75.2°F) and an average low-temperature of 18.7°C (65.7°F).
What is the least humid month in Rio de Janeiro?
With an average relative humidity of 76%, August is the least humid month.
What is the month with the coldest sea water in Rio de Janeiro?
September is the month with the coldest seawater in Rio de Janeiro, Brazil, with an average sea temperature of 21.6°C (70.9°F).
When is the lowest UV index in Rio de Janeiro?
September is the month with the lowest UV index in Rio de Janeiro, with an average maximum UV index of 5.
What is the month with the least sunshine in Rio de Janeiro?
With an average of 7.5h of sunshine, October has the least sunshine of the year.
What is the most humid month in Rio de Janeiro?
The most humid month is November, with an average relative humidity of 82%.
What is the wettest month in Rio de Janeiro?
The month with the most rainfall is November, when the rain falls for 21.3 days and typically aggregates up to 119mm (4.69") of precipitation.
When are the longest days in Rio de Janeiro?
The month with the longest days is December, with an average of 13h and 31min of daylight.
Is there Daylight Saving Time (DST) in Rio de Janeiro?
Rio de Janeiro does not observe Daylight Saving Time (DST). -03 timezone is used over the entire year.
Average temperature
Rio de Janeiro, Brazil
The warmest month (with the highest average high temperature) is February (29.7°C).
The month with the lowest average high temperature is July (24°C).
The month with the highest average low temperature is January (23.7°C).
The coldest month (with the lowest average low temperature) is August (18.5°C).
Average pressure
Rio de Janeiro, Brazil
- Average pressure in January:
1012.7mbar - Average pressure in February:
1013mbar - Average pressure in March:
1013.9mbar - Average pressure in April:
1015.9mbar - Average pressure in May:
1017.6mbar - Average pressure in June:
1019.6mbar
- Average pressure in July:
1020.5mbar - Average pressure in August:
1020.1mbar - Average pressure in September:
1017.8mbar - Average pressure in October:
1015.1mbar - Average pressure in November:
1013.2mbar - Average pressure in December:
1011.9mbar
The month with the highest atmospheric pressure is July (1020.5mbar).
The month with the lowest atmospheric pressure is December (1011.9mbar).
Average wind speed
Rio de Janeiro, Brazil
- Average wind speed in January:
9km/h - Average wind speed in February:
9.1km/h - Average wind speed in March:
8.7km/h - Average wind speed in April:
9.1km/h - Average wind speed in May:
9.5km/h - Average wind speed in June:
9.2km/h
- Average wind speed in July:
10.1km/h - Average wind speed in August:
11.3km/h - Average wind speed in September:
11.3km/h - Average wind speed in October:
11.2km/h - Average wind speed in November:
10.8km/h - Average wind speed in December:
9.5km/h
The windiest months (with the highest average wind speed) are August and September (11.3km/h).
The calmest month (with the lowest average wind speed) is March (8.7km/h).
Average humidity
Rio de Janeiro, Brazil
The month with the highest relative humidity is November (82%).
The month with the lowest relative humidity is August (76%).
Average rainfall
Rio de Janeiro, Brazil
The wettest month (with the highest rainfall) is November (119mm).
The driest month (with the least rainfall) is June (29mm).
Average rainfall days
Rio de Janeiro, Brazil
- Average rainfall days in January:
19.8 days - Average rainfall days in February:
15.8 days - Average rainfall days in March:
22.7 days - Average rainfall days in April:
16.7 days - Average rainfall days in May:
12.8 days - Average rainfall days in June:
9.8 days
- Average rainfall days in July:
9.3 days - Average rainfall days in August:
10.4 days - Average rainfall days in September:
13.7 days - Average rainfall days in October:
18.3 days - Average rainfall days in November:
21.3 days - Average rainfall days in December:
21.9 days
The month with the highest number of rainy days is March (22.7 days).
The month with the least rainy days is July (9.3 days).
Average sea temperature
Rio de Janeiro, Brazil
The best month for swimming (with the highest average sea temperature) is March (25.8°C).
The coldest month (with the lowest average sea temperature) is September (21.6°C).
Average daylight / Average sunshine
Rio de Janeiro, Brazil
- Average daylight in January:
13h and 21min - Average daylight in February:
12h and 51min - Average daylight in March:
12h and 13min - Average daylight in April:
11h and 34min - Average daylight in May:
11h and 1min - Average daylight in June:
10h and 45min
- Average daylight in July:
10h and 53min - Average daylight in August:
11h and 21min - Average daylight in September:
11h and 58min - Average daylight in October:
12h and 38min - Average daylight in November:
13h and 13min - Average daylight in December:
13h and 31min
The month with the longest days is December (Average daylight: 13h and 31min).
The month with the shortest days is June (Average daylight: 10h and 45min).
The month with the most sunshine is February (Average sunshine: 8.8h).
The month with the least sunshine is October (Average sunshine: 7.5h).
Average sunshine days
Rio de Janeiro, Brazil
- Average sunshine days in January:
6.8 days - Average sunshine days in February:
7.6 days - Average sunshine days in March:
5 days - Average sunshine days in April:
10.9 days - Average sunshine days in May:
16.4 days - Average sunshine days in June:
19 days
- Average sunshine days in July:
20.6 days - Average sunshine days in August:
19.3 days - Average sunshine days in September:
14.3 days - Average sunshine days in October:
9.8 days - Average sunshine days in November:
6.1 days - Average sunshine days in December:
4.8 days
The month with the most sunshine days is July (20.6 days).
The month with the least sunshine days is December (4.8 days).
Average UV index
Rio de Janeiro, Brazil
The month with the highest UV index is January (UV index 7).
The month with the lowest UV index is September (UV index 5).
Average cloud cover
Rio de Janeiro, Brazil
The month with the most cloud cover is November (Cloud cover 46).
The month with the least cloud cover is February (Cloud cover 28).
Average visibility
Rio de Janeiro, Brazil
The months with the highest visibility are February, May, June, July, August and September (10km).
The months with the lowest visibility are January, March, April, October, November and December (9km).
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